3
Precautions
Please read this manual carefully before using the printer.
Safety Precautions
Be sure to use the specified battery and power supply provided by our company.
Otherwise it may cause fire, explosion or damage printer, meanwhile, the battery also may
be damaged.
Don’t put battery into the fire, don’t disassemble or heat the battery, don’t be short
circuit, it may cause fire, explosion or damage printer. Meanwhile, the battery also may be
damaged.
If the printer would not be used for a long time, be sure to remove the battery,
otherwise the battery may leak liquid which is corrosive liquid. If improper operation
causes battery leak liquid, and it pastes in the skin or clothes, please rinse it by clean
water. And if pastes in the eyes, please rinse them thoroughly by clean water and see a
doctor.
Please do not open the paper case cover when it is printing or just when printing is
finished, do not touch the print head with hand or body, overheat may cause scald.
Please do not touch the print head surface and connection cables, otherwise the static
electricity may damage the print head.
Operation Precautions
Water or other liquid should not be spilled into the printer, also the printer should not
be appeared in the rain, or else may cause printer damage.
Please do not open the paper case cover when it is printing, otherwise the printer may
work improperly.
If printer is using Serial or USB connection to work, should not unplug the Serial or
USB cable, or else some printing data may be lost. When printer is using Bluetooth
connection to work, the distance of communication should be within 10 meters, and when
using WIFI, the distance of communication should be within 30 meters indoors and 100
meters outdoors. Otherwise the printer doesn’t print or prints abnormally.
Too high
（
over 45
℃
）
or too low
（
below 5
℃
）
environment temperature and too
high (over 85
％
) or too low (below 20
％
) environment humidity both effect the printing
quality.
The printer paper roll with poor quality or stored for too long time also may reduce the
printing quality even damage the printer.
Under the black mark detecting mode, the printer requires that the pre-printed black
mark is accordant with the printing rule of black mark, otherwise the black mark can not be
detected correctly. While under the label detecting mode, the printer shall be accordant
with the printing rule of label detection.
It would be better use up the power of the battery before charge up it, as it can ensure
the using life of the battery. Usually the life the battery is: charge and discharge 300 times.
The battery performance will be decreased with the increase of the charge and discharge
times.
Storage Precautions
The printer should be placed in such an environment that the temperature is between
-25
℃
and 70
℃
, and the relative humidity is between 10% and 95%.
If the printer will be stored for a long time, please be sure to remove the battery and
store it separately. Otherwise may damage the battery and printer.